Object.assign is not a function

Question

I\'m using babel with gulp and create a simple DOM library in ES6. But after running and when i\'m going to use it, I got the Object.assign is not a function in

Answer 1

1. Install babel-core:

$ npm install babel-core --save-dev

2. Import polyfill module into your js:

import 'babel-core/polyfill';

3. Use babel to compile your code!